component
RT8110BGJ8
Public Made by Adomby adom
Richtek Tech DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541
{
"schema_version": 1,
"type": "component",
"slug": "rt8110bgj8",
"title": "RT8110BGJ8",
"brief": "Richtek Tech DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"rt8110bgj8",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "RT8110BGJ8",
"manufacturer": "Richtek Tech",
"package": "TSOT-23-8",
"pin_count": 8,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202478362963968",
"parts": {
"symbol": "rt8110bgj8.kicad_sym",
"footprint": "rt8110bgj8.kicad_mod",
"model_3d": "rt8110bgj8-hero.glb",
"model_3d_plain": "rt8110bgj8-etched.glb",
"model_3d_step": "rt8110bgj8-etched.step",
"model_3d_step_plain": "rt8110bgj8.step",
"lbr": "rt8110bgj8.lbr"
},
"distributor_links": {
"lcsc": "C27917"
},
"distributor_check": {
"checked_at": "2026-10-18T09:10:37Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VCC",
"type": "power_out",
"description": "Internal regulator output, typically 5.5V, that serves as the main bias supply and low-side gate driver supply and must be decoupled with a ceramic capacitor; it is monitored for power-on reset."
},
{
"number": "2",
"name": "LGATE",
"type": "output",
"description": "Gate drive output for the low-side MOSFET."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Signal and power ground of the IC; all voltage levels are referenced to this pin."
},
{
"number": "4",
"name": "UGATE",
"type": "output",
"description": "Gate drive output for the high-side MOSFET."
},
{
"number": "5",
"name": "BOOT",
"type": "power_in",
"description": "Supplies the high-side MOSFET gate driver through a bootstrap circuit; absolute maximum rating is 34V."
},
{
"number": "6",
"name": "PHASE",
"type": "passive",
"description": "Switching node of the buck converter, also used to sense the low-side MOSFET voltage drop for overcurrent protection; absolute maximum range is -3V to 29V."
},
{
"number": "7",
"name": "VIN",
"type": "power_in",
"description": "Connected to the integrated BJT collector that regulates VIN to 5.5V for VCC; designed to withstand 28V with a recommended input range of 10V to 28V."
},
{
"number": "8",
"name": "FB",
"type": "input",
"description": "Inverting input of the error amplifier, connected to the output voltage divider; falling below the 0.5V typical threshold trips under voltage protection."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: BOOT and PHASE have no explicit ERC type in the datasheet; types were chosen from their described fu; The top-view pin diagram is not in the extracted text; pin numbers were taken from the Functional Pi"
],
"pages_sent": 13,
"cost_usd": 0.0598,
"at": "2026-10-18T09:09:50"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202478362963968",
"pages": 13,
"sha256": "a7b40ad0ae942f8f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "rt8110bgj8.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "rt8110bgj8-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
0.95
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "fce52e8d9234b98e01567389b9649b20c385880fe0086a031e073002f4d3db4d",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Richtek Tech",
"Package": "TSOT-23-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a7b40ad0ae942f8fff7952bd64011ea2e46cf7ca3efd2425c6b4ec02c1ca1ed4",
"rows": [
{
"name": "Power Supply Current",
"symbol": "IVIN",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3,
"max": 6,
"conditions": "UGATE, LGATE open",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Voltage Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 10,
"typ": null,
"max": 28,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 0.784,
"typ": 0.8,
"max": 0.816,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Free Running Frequency",
"symbol": "fSW",
"kind": "electrical",
"unit": "kHz",
"min": 320,
"typ": 400,
"max": 480,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Open Loop DC Gain",
"symbol": "AO",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": 90,
"max": null,
"conditions": "Note 5",
"source_page": 4,
"source": "datasheet"
},
{
"name": "UGATE Drive Source Resistance",
"symbol": "RUGATEsr",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 3,
"max": 4.5,
"conditions": "VBOOT − PHASE = 5V; VBOOT − VUGATE = 1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "UGATE Drive Sink Resistance",
"symbol": "RUGATEsk",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 2,
"max": 3,
"conditions": "VUGATE − PHASE = 1V; VBOOT − PHASE = 5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "LGATE Drive Source Resistance",
"symbol": "RLGATEsr",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 4,
"max": 6,
"conditions": "VCC − VLGATE = 1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "LGATE Drive Sink Resistance",
"symbol": "RLGATEsk",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 2,
"max": 4,
"conditions": "VLGATE = 1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "UVP Threshold",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.5,
"max": 0.6,
"conditions": "FB Voltage Falling",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Soft-Start Interval",
"symbol": "TSS",
"kind": "electrical",
"unit": "ms",
"min": 1,
"typ": 3,
"max": 6,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 10,
"typ": null,
"max": 28,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Ambient Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 33,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PHASE",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": 29,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BOOT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 34,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input/Output Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Lead Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 sec.",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD Susceptibility HBM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "Human Body Mode",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD Susceptibility MM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "Machine Mode",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.382,
"conditions": "TA = 25°C, TSO-23-8",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Package Thermal Resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 262,
"max": null,
"conditions": "TSO-23-8; natural convection, TA = 25°C, JEDEC 51-3 (Note 2)",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"rt8110bgj8"
],
"discovery_pitch": "RT8110BGJ8 (Richtek Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"rt8110bgj8.kicad_sym",
"rt8110bgj8.kicad_mod",
"rt8110bgj8.glb",
"rt8110bgj8.step",
"rt8110bgj8.lbr",
"docs/hero.png",
"docs/rt8110bgj8-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"rt8110bgj8-hero.glb",
"rt8110bgj8-hero.overlay.json",
"rt8110bgj8-etched.glb"
],
"visibility": {
"public": true
}
}